There are 25 boys and 23 girls in class 52. There are three students asking for leave today. What is the percentage of attendance today?

There are 25 boys and 23 girls in class 52. There are three students asking for leave today. What is the percentage of attendance today?

23 + 25 = 48 (people); (48-3) △ 48, = 45 △ 48, = 1516; a: the number of people on duty today accounts for 1516